bank.java

Account.java 主要用于用户的增删改数据(用户名+帐户余额)存于E盘accountdata.txt文件中 Bank.java 主要用于用户的增删改数据(用户名+卡号+密码)存于E盘bank

package com.feng.atm;



import java.io.*;



public class Bank {
	String name=null;
	String number=null;
	String password=null;
	
	boolean flag=false;

	
	public Bank(){}
	
	public Bank(String name,String number,String password)
	{
		this.name=name;
		this.number=number;
		this.password=password;
	}


	protected void LoginAccount()//登陆帐户
	{
		
		AtmBank bank=new AtmBank();
		try{
			BufferedReader br1=new BufferedReader(new InputStreamReader(System.in));			
			do{		
				this.judgeAdmin();			
				if(flag==true){
					System.out.println("用户名和密码输入正确!");
					System.out.println("按回车键继续......");
					br1.read();
					//AtmAccount account=new AtmAccount();
					bank.manageMenu();
				}else{
					for(int i=0;i<2;i++){
						int j=2-i;
						System.out.println("用户名或密码错误!您还有"+j+"次机会!");//注意java中不能把数学表达式放在输出中
						//this.LoginAccount();
						this.judgeAdmin();
						if(flag==true){
							System.out.println("用户名和密码输入正确!");
							System.out.println("按回车键继续......");
							br1.read();
							//AtmAccount account=new AtmAccount();
							bank.manageMenu();
						}
						if(i==1){
							System.out.println("对不起,您三次输入的用户名或密码都不对,告诉你吧,管理员用户名:feng,密码:cslg");
							System.out.println("按回车键退出......");
							br1.read();
							System.exit(0);
						}
					}
				}				
			}while(true);
			}catch(Exception e){
				e.printStackTrace();
			}
	}
	
	protected void judgeAdmin()
	{
		try{
			BufferedReader br1=new BufferedReader(new InputStreamReader(System.in));
			System.out.println("请输入管理员用户名:");
			String admin=br1.readLine();
			System.out.println("请输入管理员密码:");
			String adminpassword=br1.readLine();
			if(admin.equals("feng") && adminpassword.equals("cslg")){
				flag=true;
			}	
		}catch(Exception e){
			e.printStackTrace();
		}
	
	}
	
	protected void openAccount() //开设新户
	{
		/*
		File f=new File("E:/J2se/bankdata.txt");
		if(f.exists())
		{
		try {
		
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		BufferedReader br1=new BufferedReader(new FileReader("E:/J2se/bankdata.txt"));
		String str=br1.readLine();
		FileOutputStream fos=new FileOutputStream(f);//执行这句代码,bankdata.txt将被置空
        
		System.out.println("please input account name");
		name=br.readLine().trim()+str;
		byte bufname[]=name.getBytes();
        for(int i=0;i<bufname.length;i++)
        {
        	fos.write(bufname[i]);
        }
        
        String str1=br1.readLine().trim();
        FileOutputStream fos1=new FileOutputStream(f);//执行这句代码,bankdata.txt将被置空
        //this.deleteAccount();
        System.out.println("please input account number");
        anumber=br.readLine().trim()+str1;
        byte bufanumber[]=anumber.getBytes();
        for(int i=0;i<bufanumber.length;i++)
        {
        	fos.write(bufanumber[i]);
        }
        
        fos.close();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		}else{
			try {
				f.createNewFile();
				openAccount();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		System.out.println("create file success!");
		*/
		
		
		try {
			BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
			BufferedReader br1=new BufferedReader(new InputStreamReader(System.in));
			RandomAccessFile raf=new RandomAccessFile("E:/bankdata.txt","rw");//bankdata.txt用来存储开户信息
			
			System.out.println("请添加账户姓名:");
			String str=br.readLine()+"\t\t";
			raf.seek(raf.length());
			raf.writeBytes(str);
			
			System.out.println("请给账户开设卡号:");
			String str1=br.readLine()+"\t\t";
			raf.seek(raf.length());
			raf.writeBytes(str1);
			
			System.out.println("请给帐户开设密码:");
			String str2=br.readLine();
			raf.seek(raf.length());
			raf.writeBytes(str2+"\n");
			
			System.out.println("\n已开户成功!");
			raf.close();
			System.out.println("\n按回车键继续....");
			br1.read();
			AtmBank atm=new AtmBank();
			atm.manageMenu();	
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}
	

	
	protected void viewAllAccount()//查看所有账户信息
	{
		File f=new File("E:/bankdata.txt");
		if(f.exists())
		{
		try {
		
			
			BufferedReader br=new BufferedReader(new FileReader(f));
			BufferedReader br1=new BufferedReader(new InputStreamReader(System.in));
			String str=br.readLine();
			
			System.out.println("请稍等,两秒后将显示数据.......");
			Thread.sleep(2000);
			System.out.println();
			System.out.println("数据如下:\n");
			if(str==null){//这里为什么不可以用str.equals("")
				System.out.println("还没有帐户信息,请开设帐户");
				System.out.println("按回车键继续....");
				br1.read();
				AtmBank atm=new AtmBank();
				atm.manageMenu();
			}else{
				   System.out.println("姓名\t\t"+"账户卡号\t\t"+"帐户密码");
					while(str!=null){
						String[] info=str.split("\n");			
						//System.out.println(info[0]);	
						
						for(int i=0;i<info.length;i++)
						{
							System.out.println(info[i]);
							//System.out.println("test all view");
							
						}
						str=br.readLine();//读取下一行内容		
					}	
					System.out.println("\n按回车键继续....");
					br1.read();
					AtmBank atm=new AtmBank();
					atm.manageMenu2_1();
			}
			br.close();
			
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	
		}else{
			try {
				f.createNewFile();
				this.viewAllAccount();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			
		}
	}
	
	protected void viewOneAccount()//查看唯一账户信息
	{
		boolean flag=false;
		File f=new File("E:/bankdata.txt");
		if(f.exists())
		{
		try {
		
			
			BufferedReader br=new BufferedReader(new FileReader(f));
			BufferedReader br1=new BufferedReader(new InputStreamReader(System.in));
			
			String str=br.readLine();
			System.out.println("请输入你要查看账户的姓名:");			
			String searchstr=br1.readLine();
			
			
			while(str!=null){
				String[] info=str.split("\n");			
				//System.out.println(info[0]);	
				
				for(int i=0;i<info.length;i++)
				{
					if(info[i].indexOf(searchstr)!=-1){
						flag=true;
						System.out.println("数据如下:");
						System.out.println("姓名\t\t"+"账户卡号\t\t"+"帐户密码");
						System.out.println(info[i]);
						}
				}				
				str=br.readLine();				
			}
			if(flag==false){
				System.out.println("没有这个帐户!");
			}
			System.out.println("\n按回车键继续....");
			br1.read();
			AtmBank atm=new AtmBank();
			atm.manageMenu2_1();
			br.close();
			
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}